Section 31 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis)
WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information And Procedures
- Symptoms - Automatic Transmission
- Range Selector Displays Incorrect Range
- Tow/Haul Switch/Indicator Always On or Inoperative
- Transmission Fluid Check
- Line Pressure Check
- Road Test
- Torque Converter Diagnosis
- Flex Plate/Torque Converter Vibration Test
- Noise and Vibration Analysis
- Clutch Plate Diagnosis
- Engine Coolant/Water in Transmission
- Fluid Leak Diagnosis
- Case Porosity Repair
- Shift Solenoid Leak Test
- Transmission Fluid Cooler Flushing and Flow Test (J 45096)
- Transmission Fluid Cooler Flushing and Flow Test (J 35944-A)
- Bushing and Mating Shaft Inspection
- Transmission Overheats
- Oil Pressure High or Low
- Harsh Shifts
- Inaccurate Shift Points
- First Gear Range Only - No Upshift
- Slips in First Gear
- Slipping or Harsh 1-2 Shift
- No 2-3 Shift or 2-3 Shift Slips, Rough or Hunting
- Second/Third Gear Only or First/Fourth Gears Only
- No First or Second Gear/No Third or Fourth Gear
- No Second Gear, No Fourth Gear, and No Reverse Gear
- Third Gear Only
- No 3-4 Shift, Slips or Rough 3-4 Shift
- No Reverse or Slips in Reverse
- No Part Throttle or Delayed Downshifts
- Harsh Garage Shift
- No Overrun Braking - Manual 3-2-1
- No Torque Converter Clutch Apply (300 RPM Slip)
- Torque Converter Clutch Shudder
- No Torque Converter Clutch Release
- Torque Converter Clutch Slip - 100 RPM Slip
- Torque Converter Clutch Slip with Stall/Stumble
- Torque Converter Clutch Intermittent - OK Cold/Slips Hot
- No Fourth Gear, or Slips in Fourth Gear
- Slip/Flare in Any Gear
- No Third Gear
- Drives in Neutral
- Second Gear Start
- No Park
- Oil Out the Vent
- Vibration in Reverse and Whining Noise in Park
- Ratcheting Noise
- Ticking Noise in Reverse
- Popping Noise
- Whine Noise Varying with RPM or Fluid Pressure
- Buzz Noise or High Frequency Rattle Sound
- Noise in Random Ranges
- No Drive in All Ranges
- No Drive in Drive Range
- Shift Lever Indicates Wrong Gear
- No Gear Selection
- Engine Starts in Gear
- Delay in Drive and Reverse
- Repair Instructions - On Vehicle
- Transmission Control Module Replacement
- Range Selector Lever Cable Replacement (5.3L)
- Range Selector Lever Cable Replacement (2.9L and 3.7L)
- Range Selector Lever Cable Adjustment (5.3L)
- Range Selector Lever Cable Adjustment (2.9L and 3.7L)
- Range Selector Lever Cable Bracket Replacement (2.9L and 3.7L)
- Range Selector Lever Cable Bracket Replacement (5.3L)
- Automatic Transmission Fluid and Filter Replacement
- Transmission Fluid Cooler Hose/Pipe Replacement
- Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection
- Automatic Transmission Fluid Pressure Test Hole Plug Replacement
- Vent Hose Replacement (4WD 5.3L)
- Vent Hose Replacement (2WD)
- Vent Hose Replacement (4WD 2.9L and 3.7L)
- 2-4 Servo (2.9L and 3.7L)
- 2-4 Servo (5.3L)
- Torque Converter Clutch Valve and Spring Replacement
- Transmission Fluid Filler Tube and Seal Replacement (5.3L)
- Transmission Fluid Filler Tube and Seal Replacement (2.9L, 3.7L)
- Manual Shift Shaft Seal Replacement
- Manual Shift Detent Lever with Shaft Position Switch Assembly Replacement
- Control Valve Body Replacement
- Control and Shift Solenoids Replacement
- Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch Solenoid, and Wiring Harness
- Accumulator Assembly, Spacer Plate, and Gaskets
- Propeller Shaft Front Slip Yoke Oil Seal Replacement
- Case Extension Assembly Replacement
- Vehicle Speed Sensor Replacement
- Transmission Mount Replacement (2WD)
- Transmission Mount Replacement (4WD)
- Transmission Replacement (4WD 2.9L and 3.7L)
- Transmission Replacement (4WD 5.3L)
- Transmission Replacement (2WD 5.3L)
- Transmission Replacement (2WD 2.9L and 3.7L)
- Repair Instructions - Off Vehicle
- Holding Fixture Installation
- Torque Converter Assembly Removal
- Drain Oil
- Converter Housing Removal
- 2-4 Servo Cover and Assembly Removal
- 2-4 Band Servo Piston Pin Length Check
- Vehicle Speed Sensor and Case Extension Removal
- Transmission Fluid Pan and Filter Assembly Removal
- Control Valve Body and Wiring Harness Removal
- Turbine Shaft O-Ring Removal
- Transmission End Play Check
- Oil Pump Removal
- 2-4 Band, Input Clutches, Input Gear Set Removal
- Reaction Gear Set Removal
- Output Shaft, Reaction Gear, Low/Rev Clutch Removal
- Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Removal
- Low and Reverse Clutch Piston Removal
- Case Assembly Inspection
- 3rd Accumulator Retainer with Ball Assembly Leak Check
- 3rd Accumulator Retainer with Ball Replacement
- Case Bushing
- Manual Shift Shaft Seal Installation
- Low and Reverse Clutch Piston Installation
- Manual Shift Detent Lever with Shaft Position Switch Assembly and Park Pawl Actuator Installation
- Reaction Gear and Carrier Inspection
- Reaction Gear and Carrier Installation
- Low and Reverse Clutch Spacer Plate Selection
- Low and Reverse Clutch Plate Installation
- Low and Reverse Clutch Support Disassemble
- Low and Reverse Clutch Support Installation
- Reaction Sun Gear Installation
- Reaction Carrier Shaft Replacement
- Input Internal Gear, Reaction Shaft and Shell Installation
- Internal Transmission Speed Sensor Rotor Replacement
- Output Shaft Installation
- Input Carrier Inspection
- Input Sun Gear Bushing Replacement
- Input Carrier Inspection and Installation
- Input Clutch Assembly Disassemble
- Input Housing and Shaft Assembly Inspection
- Input Housing and Shaft Assembly Assemble
- Input Housing to Output Shaft Seal Installation
- Overrun Clutch Installation
- Forward Clutch Sprag Disassemble
- Forward Clutch Sprag Assemble
- Forward Clutch Assembly Assemble
- Forward Clutch Piston Travel Check
- 3-4 Clutch Assemble
- 3-4 Clutch Plate Travel Check
- Clutch Air Check
- Turbine Shaft Seal Installation
- Reverse Input Clutch Disassemble
- Reverse Input Clutch Bushing Replacement
- Reverse Input Clutch Assemble
- Reverse Input Clutch Plate Travel Check
- Reverse Input and 3-4 Clutch Housing Installation
- 2-4 Band Installation
- Input Speed Sensor Removal
- Oil Pump Disassemble
- Oil Pump Body Disassemble
- Fluid Pump Rotor and Slide Measurement
- Oil Pump Body Bushing Replacement
- Oil Pump Body Assemble
- Oil Pump Cover Disassemble
- Oil Pump Stator Shaft Bushing Replacement
- Oil Pump Cover Assemble
- Oil Pump Cover and Body Assemble
- Input Speed Sensor Installation
- Oil Pump Assembly Installation
- Converter Housing Installation
- Turbine Shaft O-Ring Installation
- Control Valve Body Disassemble
- Control Valve Body Assemble
- 3-4 Accumulator Installation
- 1-2 Accumulator Disassemble
- 1-2 Accumulator Assemble
- 1-2 Accumulator Installation
- Control Valve Body Installation
- Manual Detent Spring Installation
- Oil Filter Assembly Installation
- Transmission Fluid Pan Installation
- 2-4 Band Servo 2nd Apply Piston Disassemble
- 2-4 Servo Assembly Installation
- Case Extension Bushing Replacement
- Vehicle Speed Sensor and Case Extension Installation
- Torque Converter End Play Inspection
- Torque Converter Installation
- Holding Fixture Removal
- Description And Operation
- Transmission General Information
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission Component and System Description
- Transmission Adaptive Functions
- Electronic Component Description
- 1-2 and 2-3 Shift Solenoid Valves
- Transmission Pressure Control Solenoid
- Torque Converter Clutch Solenoid Valve
- Torque Converter Clutch Pulse Width Modulation Solenoid Valve
- Vehicle Speed Sensor Assembly
- Automatic Transmission Fluid Temperature Sensor
- Transmission Range Switch
- Tow/Haul Mode Switch
- Transmission Manual Shift Shaft Switch Assembly (88)
- Automatic Transmission Hydraulic Diagrams
- Park - Engine Running
- Notes
- Pressure Regulator Valve
- Pressure Relief Valve
- Line Pressure Tap
- Actuator Feed Limit Valve
- Pressure Control (PC) Solenoid Valve
- Torque Converter Clutch (TCC)
- TCC Solenoid Valve
- Converter Clutch Valve
- Torque Converter
- Cooler and Lubrication System
- Manual Valve
- Lo and Reverse Clutch Applies
- Lo Overrun Valve
- Shift Solenoid Valves (1-2 and 2-3)
- Shift Valves (1-2, 2-3 and 3-4)
- Park - Engine Running - A/T System Hydraulic Diagram
- Reverse
- Neutral - Engine Running
- Overdrive Range, First Gear
- Notes
- Manual Valve
- Forward Clutch Accumulator Checkball (#12)
- Forward Clutch Accumulator Piston
- Forward Clutch Abuse Valve
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 1-2 Shift Valve
- Accumulator Valve
- Rear Lube (All Except Y-Car)
- Pressure Control (PC) Solenoid Valve
- Torque Converter Clutch PWM Solenoid Valve
- Overdrive Range, First Gear - A/T System Hydraulic Diagram
- Overdrive Range, Second Gear
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 1-2 Shift Checkball (#8)
- 2-4 Servo Assembly
- 1-2 Accumulator
- Accumulator Valve
- 2-3 Shift Valve Train
- 3-4 Relay Valve and 4-3 Sequence Valve
- 3-2 Downshift Valve
- 3-4 Shift Valve
- Torque Converter Clutch
- Overdrive Range, Second Gear - A/T System Hydraulic Diagram
- Overdrive Range, Third Gear
- Notes
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 3-4 Clutch Exhaust Checkball (#4)
- 3-4 Clutch Piston
- 3rd Accumulator Checkball (#2)
- 3rd Accumulator Exhaust Checkball (#7)
- 2-4 Servo Assembly
- 3-2 Downshift Valve
- 1-2 Shift Solenoid (SS) Valve and 1-2 Shift Valve
- 3-4 Shift Valve
- Torque Converter Clutch
- Overdrive Range, Third Gear - A/T System Hydraulic Diagram
- Overdrive Range, Fourth Gear - Torque Converter Clutch Applied
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 2-3 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 3-4 Shift Valve
- 3-4 Relay Valve and 4-3 Sequence Valve
- 2-4 Servo Assembly
- 2-4 Band Apply Accumulation
- 3-4 Accumulator Assembly
- 3-4 Accumulator Checkball (#1)
- Accumulator Valve
- Torque Converter Clutch Applies
- Converter Clutch Apply Valve
- Torque Converter
- TCC Apply Checkball (#9)
- TCC PWM Solenoid Valve
- Overdrive Range, Fourth Gear - A/T System Hydraulic Diagram
- Overdrive Range, 4-3 Downshift
- Notes
- 1-2 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 2-4 Band Releases
- 3-4 Relay Valve and 4-3 Sequence Valve
- 2-4 Servo Assembly
- 3-4 Accumulator Assembly
- 3-4 Accumulator Checkball (#1)
- Accumulator Valve
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- Torque Converter Clutch Solenoid Valve
- Pressure Control (PC) Solenoid Valve
- Overdrive Range, 4-3 Downshift - A/T System Hydraulic Diagram
- Overdrive Range, 3-2 Downshift
- Notes
- 2-3 Shift Valve Train
- 3-4 Clutch Releases and 2-4 Band Applies
- 3-4 Clutch Exhaust Checkball (#4)
- 2-4 Servo Assembly
- 3-2 Downshift Valve and 1-2 Upshift Checkball (#8)
- Downshift Timing and Control
- 3rd Accumulator Checkball (#2)
- 3rd Accumulator Exhaust Checkball (#7)
- Pressure Control (PC) Solenoid Valve
- Overdrive Range, 3-2 Downshift - A/T System Hydraulic Diagram
- Manual Third Gear
- Notes
- Manual Valve
- 1-2 Shift Solenoid (SS) Valve
- 3-4 Shift Valve
- 2-3 Shift Valve Train
- Overrun Clutch Feed Checkball (#5)
- Overrun Clutch Control Checkball (#6)
- 3-4 Relay Valve and 4-3 Sequence Valve
- Overrun Clutch Piston
- Overrun Clutch Air Bleed Checkball
- Torque Converter Clutch and Torque Converter Clutch PWM Solenoid Valve
- Pressure Control (PC) Solenoid Valve
- Manual Third - First and Second Gears: Overrun Clutch Released
- Manual Third Gear - A/T System Hydraulic Diagram
- Manual Second Gear
- Manual First Gear
- Notes
- Manual Valve
- 2-3 Shift Solenoid (SS) Valve
- 2-3 Shift Valve Train
- 1-2 Shift Solenoid (SS) Valve
- 1-2 Shift Valve
- 2-4 Band Releases
- 1-2 Accumulator Assembly
- Accumulator Valve
- 1-2 Upshift Checkball (#8)
- Lo and Reverse Clutch Applies
- Lo and Reverse Piston
- Overrun Clutch Applied
- Pressure Control (PC) Solenoid Valve
- Manual First Gear - A/T System Hydraulic Diagram
- Park - Engine Running
- Fluid Passages
- Special Tools